Instead of waiting the standard 60 seconds for the CDP hello, CDPv2 has a trigger (like RIPv2 triggered updates) that allows the Cisco switch to propagate voice vlan information to the Cisco IP phone ...

I've got a problem, I've been trying to implement some layer2 security on our switches with Port-Security, only allowing 2 MAC addresses on any 1 switchport. I've been looking at some of our switches ...

Lately, I’ve heard many mentions, pro and con, of using virtual LANs to solve QoS challenges in wireless LANs. If like me, you’ve been confused by some of this talk, read on. First, several vendors ...

We inherited a Digium Switchvox 355 when we acquired a company last year. We're just about finished standardizing the site, and one of the last pieces is the phone system. Currently, its plugged into ...

In the IP based Ethernet networks, data and voice services are often transmitted simultaneously over the network. Voice traffic, in particular, requires a higher forwarding priority than data traffic.